3897840
Piston Cooling Nozzle
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,149.95 $1,368.44

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Piston Cooling Nozzle 3897840, manufactured by Cummins, is a component designed for heavy-duty truck engines. Cummins, a well-established name in the automotive and heavy-duty truck industry, produces this nozzle to enhance engine performance and longevity. This part is integral to the cooling system of truck engines, ensuring optimal operation under demanding conditions 1.

Basic Concepts of Piston Cooling Nozzles

Piston cooling nozzles are components within an engine’s cooling system that direct a stream of coolant onto the underside of the piston. This process helps manage the temperature of the piston, which is essential for maintaining engine efficiency and preventing damage from overheating. By effectively regulating temperature, these nozzles contribute to the overall performance and durability of the engine 2.

Purpose of the 3897840 Piston Cooling Nozzle

The 3897840 Piston Cooling Nozzle is specifically designed to aid in the temperature regulation of truck engines. It directs a precise stream of coolant to the piston’s underside, which plays a role in dissipating heat generated during combustion. This targeted cooling helps maintain the piston’s structural integrity and operational efficiency, thereby supporting the engine’s performance and longevity 3.

Key Features

The 3897840 Piston Cooling Nozzle features a design optimized for efficient coolant distribution. It is constructed from materials that can withstand the high temperatures and pressures within an engine. Unique attributes of this nozzle include its precise engineering to ensure accurate coolant spray patterns and its robust construction to endure the harsh environment of a heavy-duty truck engine.

Benefits

The advantages of the 3897840 Piston Cooling Nozzle include improved engine efficiency through effective temperature management, reduced wear and tear on engine components due to controlled thermal expansion, and enhanced durability of the piston and surrounding parts. These benefits contribute to the overall reliability and performance of the engine.

Installation and Integration

Installing the 3897840 Piston Cooling Nozzle involves integrating it into the engine’s cooling system. This process requires careful alignment and securing of the nozzle to ensure it functions correctly within the engine. Specific requirements may include ensuring the coolant system is free of contaminants and that the nozzle is properly sealed to prevent leaks.

Maintenance and Troubleshooting

Maintaining the 3897840 Piston Cooling Nozzle involves regular inspection for signs of wear or damage, ensuring the coolant system is clean and free of debris, and verifying that the nozzle is securely installed. Common issues may include clogging of the nozzle or leaks in the coolant system. Troubleshooting tips include checking for proper coolant flow and ensuring the nozzle is not obstructed.

Performance Impact

The 3897840 Piston Cooling Nozzle affects the overall performance of the engine by contributing to efficient thermal management. This results in improved fuel efficiency, as the engine operates within optimal temperature ranges, and enhances power output by maintaining the piston’s performance under load. Effective cooling also plays a role in reducing thermal stress on engine components, leading to better longevity.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and approximately 7,400 dealer locations. The company is renowned for its commitment to quality, performance, and reliability in the automotive and heavy-duty truck industry.

Piston Cooling Nozzle Compatibility with Cummins Engines

The Cummins Piston Cooling Nozzle, part number 3897840, is a critical component designed to enhance engine performance and longevity by effectively managing the temperature of the pistons. This part is engineered to fit seamlessly with several Cummins engine models, ensuring optimal cooling and operational efficiency.

K19 Series

The K19 series engines benefit significantly from the integration of the 3897840 Piston Cooling Nozzle. This nozzle is specifically designed to fit into the intricate cooling systems of these engines, providing precise and efficient cooling to the pistons. The K19 engines, known for their robust design and reliability, are often used in heavy-duty applications where consistent performance is crucial.

KTA19GC Series

The KTA19GC series engines also incorporate the 3897840 Piston Cooling Nozzle to maintain optimal piston temperatures. This series is renowned for its high power output and efficiency, making it a popular choice for industrial and marine applications. The nozzle’s design ensures that it integrates smoothly with the cooling systems of these engines, enhancing their overall performance and durability.

KTA19GC CM558

The KTA19GC CM558 engine, a variant within the KTA19GC series, is engineered to deliver exceptional performance and reliability. The 3897840 Piston Cooling Nozzle is a crucial component for this engine, ensuring that the pistons remain at an optimal temperature. This helps in preventing overheating and extends the engine’s lifespan. The nozzle’s compatibility with the CM558 model underscores its importance in maintaining the engine’s efficiency and performance.

By ensuring that the 3897840 Piston Cooling Nozzle is correctly installed in these engines, operators can expect improved engine performance, reduced wear and tear, and ultimately, a more reliable and efficient power source.

Understanding the Integration of Part 3897840 Piston Cooling Nozzle in Engine Systems

The part 3897840 piston cooling nozzle is an essential component in the thermal management of an engine. Its primary function is to direct a stream of engine oil onto the underside of the piston, specifically targeting the piston’s crown and skirt areas. This cooling mechanism is vital for dissipating heat generated during the combustion process, which can otherwise lead to performance degradation and potential engine damage.

Interaction with the Block and Cylinder

The piston cooling nozzle is strategically positioned within the engine block, typically near the cylinder walls. As the piston moves up and down within the cylinder, the nozzle sprays oil to cool the piston. This interaction is fundamental in maintaining the integrity of the cylinder walls and ensuring smooth operation of the piston within the cylinder. The cooling effect also helps in reducing thermal expansion, which can affect the clearances between the piston and cylinder, thus influencing the engine’s overall performance and longevity.

Relationship with the Camshaft and Cylinder Kit Block

While the camshaft’s primary role is to control the timing of the valve operation, its efficient functioning is indirectly supported by the cooling effects provided by the piston cooling nozzle. A well-cooled piston contributes to a more stable engine temperature, which is beneficial for the camshaft’s lubrication and operational precision. In the context of a cylinder kit block, which includes components like pistons, rings, and wrist pins, the cooling nozzle ensures that these parts operate within optimal temperature ranges, enhancing their durability and performance.

Impact on Engine Base and Performance Parts

The engine base, which houses the cylinder block and other critical components, benefits from the reduced thermal stress induced by the effective cooling of the pistons. This reduction in heat can lead to a more consistent engine base temperature, which is crucial for the structural integrity of the base and the accurate functioning of performance parts. Performance parts, such as high-compression pistons or upgraded camshafts, are particularly sensitive to temperature variations. The cooling nozzle helps in maintaining the desired operational temperatures, thereby supporting the enhanced performance characteristics of these parts.

Conclusion

In summary, the part 3897840 piston cooling nozzle plays a significant role in the thermal management of engine components. Its effective integration with the block, cylinder, camshaft, and performance parts ensures optimal engine operation, enhanced durability, and improved overall performance. Understanding this component’s role and its interactions within the engine system is key to maintaining and upgrading engine efficiency and reliability.


  1. Hilgers, Michael. Chassis and Axles. Springer Vieweg, 2023.

  2. Brach, R. Matthew. SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE International, 2023.

  3. Reif, Konrad Ed. Gasoline Engine Management Systems and Components. Springer Vieweg, 2015.

SPECIFICATIONS

Service Part Topic
99T0-4
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.0 x 1.4 x 1.4 in
Weight
0.34 lb

BILL OF MATERIALS

Name Quantity Part Number
O-Ring Seal
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.